Basically, the tool is designed for easiest using. However, some matters (or options) needs to be explained.
Very simple steps : Place your text, click few buttons and you get your spun text in text box. You can work with one article at any time only.
Same steps as for none-registered users, but extended with article management feature: you have to define a project for each article, save it, then you can switch between your articles as required.
Registered users can download their spun article(s) in Zip format.
You can find simple step by step guide shown by images below.
This is guide for registered users. Guide for none-registered users is similar, but simpler.
That's all. It's simple, isn't it? :)